6 books • 1 series
Utah, 1961, [numbers 9304-9407]; 575
Utah, 1961, [numbers 9408-9474]; 576
Utah, 1961, [numbers 9206-9303]; 574
Oregon, Nevada, California, 1959, [numbers 8407-8580]; 568
Illustrated Companion to Gleason and Cronquist's Manual
Intermountain Flora Vol. 6 (Intermountain Flora, Vascular Plants of Intermountain West,)